TY  - RPRT
TI  - MEANINGFULNESS AND VISUAL RECOGNITION THRESHOLD.
AU  - J H KOPLIN
AU  - C D SPIELBERGER
PY  - 1964
DO  - 10.2466/pms.1964.19.1.207
UR  - https://pubmed.ncbi.nlm.nih.gov/14197447/
ID  - 14197447
ER  -